Leon, A. (2009). SQL: A Complete Reference. 2009 ( With Floppy). TMH.
芝加哥风格引文Leon, Alexis. SQL: A Complete Reference. 2009 ( With Floppy). New Delhi: TMH, 2009.
MLA引文Leon, Alexis. SQL: A Complete Reference. 2009 ( With Floppy). TMH, 2009.
警告：这些引文格式不一定是100％准确.